Pack of 100-Buna-N Square Profile O-Rings Dash 017Square profile O-Rings require less squeeze to make an effective seal and won't roll or twist in moving applications. Buna-N is the most commonly used O-Ring material due to its strength and durability. It is suitable for a broad range of fluids including oils, water, .Specification: BRAND: USA SealingMANUFACTURERS PART NUMBER: ZUSAHSQ70017MATERIAL: Buna-NCOLOR FINISH: BlackDASH SIZE: 017DUROMETER: 70AID (ACTUAL): 0.676"ID (FRACTIONAL): 11/16"OD (ACTUAL): 0.816"OD (FRACTIONAL): 13/16"CROSS SECTION SHAPE: SquareCROSS SECTION (ACTUAL): 0.070"CROSS SECTION (FRACTIONAL): 1/16"TEMPERATURE RANGE: -40 to 250 (F)GRADE: StandardHARDNESS: StandardWEIGHT LBS: 1INCH/METRIC: InchSpecification: BRAND: USA SealingMANUFACTURERS PART NUMBER: ZUSAHSQ70017MATERIAL: Buna-NCOLOR FINISH: BlackDASH SIZE: 017DUROMETER: 70AID (ACTUAL): 0.676"ID (FRACTIONAL): 11/16"OD (ACTUAL): 0.816"OD (FRACTIONAL): 13/16"CROSS SECTION SHAPE: SquareCROSS SECTION (ACTUAL): 0.070"CROSS SECTION (FRACTIONAL): 1/16"TEMPERATURE RANGE: -40 to 250 (F)GRADE: StandardHARDNESS: StandardWEIGHT LBS: 1INCH/METRIC: Inch